September weather forecastKoedijk, Netherlands

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Koedijk, Netherlands, with an average temperature ranging between max 17.8°C (64°F) and min 13.3°C (55.9°F).

Temperature

Koedijk's average high-temperature in September sits at a comfortable 17.8°C (64°F), showing little difference from the previous month. Koedijk's average nighttime temperature in September modestly descends to a still refreshing 13.3°C (55.9°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

In Koedijk, Netherlands, in September, during 14 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, there are 160.7 rainfall days, and 268mm (10.55") of precipitation is accumulated.

Snowfall

April through November are months without snowfall in Koedijk.

Daylight

In September, the average length of the day is 12h and 40min.
On the first day of September in Koedijk, Netherlands, sunrise is at 06:52 and sunset at 20:29. On the last day of the month, sunrise is at 07:41 and sunset at 19:20 CEST.

Sunshine

In September, the average sunshine is 7.2h.

UV index

In Koedijk, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A daily high UV index of 4 in September leads to these guidelines:
Take precautions - Protection against sun damage is advised. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

In Koedijk, 17.8°C (64°F) is the average high-temperature and 13.3°C (55.9°F) is the average low-temperature during September.

The average relative humidity in September in Koedijk, Netherlands, is 79%.

In September, in Koedijk, Netherlands, the rain falls for 14 days. Throughout September, 28mm (1.1") of precipitation is accumulated.

In Koedijk, Netherlands, snow does not fall in April through November.

The average day length in September is 12h and 40min.

On the first day of September, sunrise is at 06:52 and sunset at 20:29. On the last day of the month, sunrise is at 07:41 and sunset at 19:20 CEST.

In September, the average sunshine duration is 7.2h.

In September, the average daily maximum UV index in Koedijk, Netherlands, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Koedijk, Netherlands

  • Average high temperature in September: 17.8°C

The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in September: 13.3°C

The month with the highest average low temperature is August (15.6°C).
The coldest month (with the lowest average low temperature) is February (2.5°C).

Average pressure in September
Koedijk, Netherlands

  • Average pressure in September: 1016.5mbar

The months with the highest atmospheric pressure are May and September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011mbar).

Average wind speed in September
Koedijk, Netherlands

  • Average wind speed in September: 17.1km/h

The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).

Average humidity in September
Koedijk, Netherlands

  • Average humidity in September: 79%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Koedijk, Netherlands

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (8mm).

Average rainfall days in September
Koedijk, Netherlands

  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is April (9.1 days).

Average snowfall in September
Koedijk, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Koedijk, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Koedijk, Netherlands

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 7h and 12min

The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in September
Koedijk, Netherlands

  • Average sunshine days in September: 12.3 days

The month with the most sunshine days is April (18.4 days).
The month with the least sunshine days is December (9.7 days).

Average UV index in September
Koedijk, Netherlands

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Koedijk, Netherlands

  • Average cloud cover in September: 45

The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and August (Cloud cover 39).

Average visibility in September
Koedijk, Netherlands

  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).